package de.lmu.ifi.pst.uwejsf.framework.process;

import java.util.Map;

public interface SystemActionHandler {
	/**
	 * 
	 * @param parameters
	 * @param scope
	 * @return the results or an empty map. Never null!!!
	 */
	public Map<String, Object> execute(Map<String, Object> parameters, Map<String, Object> scope);
	public String getExpression();
	public void setExpression(String expression);
}
